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NCS148665 标准物质/14种混合标准溶液-锂钠镁铝钾钙铬锰铁镍铜锌镉铅Li,Na,Mg,Al,K,Ca,Cr,Mn,Fe,Ni,Cu,Zn,Cd,Pb/介质:10%硝酸
NCSZ-M0202-2020 标样/水质2种混合质控样-总氮总磷TN,TP
NCSZ-M1201-2020 标样/水质12种混合质控样-钒铬锰钴镍铜锌砷钼镉锑铅V,Cr,Mn,Co,Ni,Cu,Zn,As,Mo,Cd,Sb,Pb
NCS148666 标准物质/7种混合标准溶液-钠镁铝钾钙铁锌Na,Mg,Al,K,Ca,Fe,Zn/介质:HCl
NCS148667 标准物质/23种混合标准溶液-铍钠镁铝钾钙钒铬锰铁钴镍铜锌砷硒钼银镉锑钡铊铅Be,Na,Mg,Al,K,Ca,V,Cr,Mn,Fe,Co,Ni,Cu,Zn,As,Se,Mo,Ag,Cd,Sb,Ba,Tl,Pb/介质:10%硝酸+tr.氢氟酸
NCS148668 标准物质/27种混合标准溶液-锂铍硼钠镁铝钾钙钛钒铬锰铁钴镍铜锌砷硒锶钼银镉锡锑钡铅Li,Be,B,Na,Mg,Al,K,Ca,Ti,V,Cr,Mn,Fe,Co,Ni,Cu,Zn,As,Se,Sr,Mo,Ag,Cd,Sn,Sb,Ba,Pb/介质:10%硝酸+tr.氢氟酸
NCS148671 标准物质/16种混合标准溶液-硼钠镁铝钾钙钛铬锰铁钴镍铜锌钇锆B,Na,Mg,Al,K,Ca,Ti,Cr,Mn,Fe,Co,Ni,Cu,Zn,Y,Zr
NCSZ-NH3N-2020(6) 标样/水质NH3N氨氮质控样1.50μg/mL
NCSZ-NH3N-2020(8) 标样/水质NH3N氨氮质控样12.5μg/mL
NCSZ-TN-2020(4) 标样/水质TN总氮质控样1.50μg/mL
